Cephalexin and Pataday drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Cephalexin (cephalexin) and Pataday (olopatadine hydrochloride). Common drug interactions include chronic kidney disease among females and chronic kidney disease among males.

The phase IV clinical study analyzes what interactions people have when they take Cephalexin and Pataday. It is created by eHealthMe based on reports of 49 people who take the same drugs from the FDA, and is updated regularly.

What is Cephalexin?

Cephalexin has active ingredients of cephalexin. It is often used in infection. eHealthMe is studying from 30,581 Cephalexin users. Check the latest studies of Cephalexin.

What is Pataday?

Pataday has active ingredients of olopatadine hydrochloride. It is often used in allergies. eHealthMe is studying from 8,288 Pataday users. Check the latest studies of Pataday.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Sep, 04, 2026

49 people who take Cephalexin and Pataday together, and have interactions are studied.

Cephalexin and Pataday drug interactions.

What are the common drug interactions of Cephalexin and Pataday, by gender? *:

female:

Chronic kidney disease
Renal failure (kidney dysfunction)
Hyperparathyroidism secondary (an abnormally high concentration of parathyroid hormone in the blood, resulting in weakening of the bones through loss of calcium-secondary)
Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
Nephrogenic anaemia (anaemia due to kidney disease)
Tubulointerstitial nephritis (a form of nephritis affecting the interstitium of the kidneys surrounding the tubules)
Anxiety
Death
Emotional distress
Hypoaesthesia (reduced sense of touch or sensation)

male:

Chronic kidney disease
Anhedonia (inability to experience pleasure from activities usually found enjoyable)
Depression
Drug ineffective
Fatigue (feeling of tiredness)
Hypertension (high blood pressure)
Macular oedema (fluid and protein deposits collect on or under the macula of the eye (a yellow central area of the retina) and causes it to thicken)
Macular scar
Panic attack
Spinal compression fracture (fracture due to spinal compression on bone)

What are the common drug interactions of Cephalexin and Pataday, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

n/a

40-49:

Chronic kidney disease
Renal failure (kidney dysfunction)
Anhedonia (inability to experience pleasure from activities usually found enjoyable)
Anxiety
Decreased activity
Depression
Emotional distress
Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
Pain
Renal impairment (severely reduced kidney function)

50-59:

Chronic kidney disease
Anhedonia (inability to experience pleasure from activities usually found enjoyable)
Anxiety
Emotional distress
Pain
Fatigue (feeling of tiredness)
Multiple injuries
Blood creatinine increased
Decreased activity
Depression

60+:

Chronic kidney disease
Renal failure (kidney dysfunction)
Drug ineffective
Emotional distress
Gingival bleeding (bleeding gums)
Hypoaesthesia (reduced sense of touch or sensation)
Hypocalcaemia (levels of calcium in blood serum are abnormally low)
Ischaemic cardiomyopathy (weakness in the muscle of the heart due to inadequate oxygen delivery to the myocardium with coronary artery disease)
Pain
Pruritus (severe itching of the skin)

What are the existing conditions these people have? *

Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 27 people, 55.10%
Pain: 21 people, 42.86%
High Blood Cholesterol: 19 people, 38.78%
High Blood Pressure: 19 people, 38.78%
Stress And Anxiety: 16 people, 32.65%
Hypersensitivity: 15 people, 30.61%
Depression: 14 people, 28.57%
Nausea (feeling of having an urge to vomit): 11 people, 22.45%
Headache (pain in head): 10 people, 20.41%
Asthma: 10 people, 20.41%

* Approximation only. Some reports may have incomplete information.

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